1 . 在直角坐标系中,直线
的参数方程为
(
为参数),以原点
为极点,
轴的非负半轴为极轴建立极坐标系,曲线
的极坐标方程为
.
(1)求直线
的极坐标方程与曲线
的直角坐标方程;
(2)若直线
与曲线
在直角坐标系第一象限交于点
,点
的极坐标为
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e38b1d05b22a066d9cbf77f0f6c2ad99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaa841c771367399f51d2bfcb9d37e87.png)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f64bc74483832f345baa4ebf0fbe4da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
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2022-03-09更新
|
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|
2卷引用:江西省南昌市2022届高三第一次模拟测试数学(理)试题
2 . 在直角坐标系
中,曲线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5bbb709522dba9425a6b45ee671298.png)
经过伸缩变换
后的曲线为
,以
轴正半轴为级轴,建立极坐标系.曲线
的极坐标方程为
.
(1)写出
的普通方程和
的直角坐标方程;
(2)若
上的一点
到
的距离的最大,求距离的最大值及
点的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5bbb709522dba9425a6b45ee671298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec5eaae26c61f6aef3264c0a6a77b330.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/757cc2f991fc97a773ceffbbd3a041fa.png)
(1)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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3 . 在直角坐标系中,曲线
的参数方程为
(
为参数),以坐标原点为极点,
轴正半轴为极轴建立极坐标系,直线
的极坐标方程为
.
(1)分别求曲线
的普通方程和直线
的直角坐标方程;
(2)定点
,直线
与曲线
交于
两点,弦
的中点为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cc6f0d94317887fe1ca36df5a273169.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1eb4d8cadef02b57f23692634df3deb6.png)
(1)分别求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)定点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5b916a7bbb9b3de21ed514733db8ceb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/221b97034eb4aa5acc6eafb58bfa3f53.png)
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2022-01-24更新
|
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3卷引用:江西省上饶市2022届高三一模数学(理)试题
4 . 在直角坐标系
中,已知曲线
的参数方程为
(
为参数),
.以坐标原点为极点,x轴正半轴为极轴建立极坐标系,曲线
的极坐标方程为
.
(1)求曲线
的普通方程和曲线
的直角坐标方程;
(2)已知点M为曲线
的右焦点,点P在曲线
上,且直线PM与曲线
相切,若
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d71a744cc3a4a781a7484b0059cd1404.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b347bb644a45e137a265d3405be7c6a.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)已知点M为曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0db4a173f00784496af4ac2e518f107f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
5 . 在平面直角坐标系
中,圆
的圆心为
,半径为
,现以原点为极点,
轴的正半轴为极轴建立极坐标系.
(1)求圆
的极坐标方程和一个参数方程;
(2)设
、
是圆
上两个动点,且满足
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ad737cc531c7af1fe36eba567e5d2e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c828c44a61d2eca627dd4fd96f3cedb6.png)
您最近一年使用:0次
2021-10-06更新
|
856次组卷
|
3卷引用:江西省七校2022届高三上学期第一次联考数学(文)试题
名校
6 . 已知极坐标的极点与直角坐标系的原点、极轴与x轴非负半轴重合,曲线C的极坐标方程为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/126fc2d458bb68f1cc25f116f84b55ff.png)
,直线
的参数方程为
(t为参数)
(1)将直线
的参数方程化为极坐标方程;
(2)设直线
与曲线C交于A、B两点,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/126fc2d458bb68f1cc25f116f84b55ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc91dbc1ea51690a1a36ca65ed158808.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d68db99a91073af3116910d7ed3d0ac0.png)
(1)将直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaff41080fdea43eea7efedf9ebc1498.png)
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2021-09-06更新
|
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5卷引用:江西省新余一中2022届毕业年级(补习班)第二次模拟考试数学(文)试题
7 . 已知在平面直角坐标系
中,曲线
的参数方程为
(
为参数),以
轴的非负半轴为极轴,原点
为极点建立极坐标系,两种坐标系中取相同的长度单位,若直线
和![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3bda6de66a488683d5b028159d2875d.png)
分别与曲线
相交于
、
两点(
、
两点异于坐标原点).
(1)求曲线
的极坐标方程与
、
两点的极坐标;
(2)求直线
的极坐标方程及
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afbd3c520754bd43c56262ccb0b0b252.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3e186ebc624ebacde9a03b96289f1ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3bda6de66a488683d5b028159d2875d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2fefd4562c09c2f5afbb3987149fcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2b83beedb3438153e6f728545fe3e03.png)
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2021-07-10更新
|
1453次组卷
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11卷引用:江西省抚州市临川第一中学2021届高三5月模拟考试数学(理)试题
江西省抚州市临川第一中学2021届高三5月模拟考试数学(理)试题四川省成都市石室中学2020-2021学年高三上学期一诊数学(文科)试题四川省成都市石室中学2021届高三上学期一诊数学(理)试题【市级联考】山东省潍坊市2019届高三上学期期末测试数学(文科)试题【市级联考】山东省潍坊市2019届高三上学期期末测试数学(理科)试题四川省资阳市乐至中学2020-2021学年高二下学期“零诊”考试数学试题宁夏银川市第二中学2020-2021学年高二下学期期末数学(文)试题吉林省白城市2020-2021学年高二下学期期末数学文试题新疆师范大学附属中学2022届高三9月月考数学(理)试题(已下线)专题22 坐标系与参数方程-备战2022年高考数学(理)母题题源解密(全国甲卷)(已下线)专题22 坐标系与参数方程-备战2022年高考数学(文)母题题源解密(全国甲卷)
名校
8 . 在平面直角坐标系中,圆C的参数方程为
(α为参数),以坐标原点为极点,以x轴的正半轴为极轴建立极坐标系,且长度单位相同.
(1)求圆C的极坐标方程;
(2)若过原点的直线l被圆C截得的弦长为2,求直线l的倾斜角.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98ca878bfeb2db7110a678587ecc15ee.png)
(1)求圆C的极坐标方程;
(2)若过原点的直线l被圆C截得的弦长为2,求直线l的倾斜角.
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2021-06-06更新
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1136次组卷
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7卷引用:江西省临川第一中学2022届高三实战演练5月冲刺数学(理)试题
江西省临川第一中学2022届高三实战演练5月冲刺数学(理)试题江西省临川第一中学2022届高三实战演练5月冲刺数学(文)试题宁夏银川一中2021届高三四模数学(理)试题宁夏银川一中2021届高三四模数学(文)试题新疆乌鲁木齐市第二十中学2022届高三上学期第一次月考数学试题(已下线)2021年全国高考甲卷数学(理)试题变式题21-23题(已下线)2021年全国高考甲卷数学(理)试题变式题21-23题
名校
9 . 已知椭圆
(
是参数),A和B是C上的动点,且满足
(O是坐标原点),以O为极点、以x轴的正半轴为极轴建立极坐标系,点D的极坐标为
.
(1)求线段AD的中点M的轨迹E的普通方程;
(2)利用椭圆C的极坐标方程证明
为定值,并求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba82b5c01f49c4229240f1e6aa3fc0da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3825ccc273ef9a672a606432d165b866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58c119050a3587655cdbd264726ec478.png)
(1)求线段AD的中点M的轨迹E的普通方程;
(2)利用椭圆C的极坐标方程证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dcb4841ae7bb1d5f91837094cdfcf2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
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2021-05-30更新
|
859次组卷
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3卷引用:江西师范大学附属中学2021届高三三模考试数学(理)试题
10 . 在直角坐标系
中,直线
的参数方程为
(其中
为参数,
为直线
的倾斜角).以坐标原点
为极点,
轴的正半轴为极轴建立极坐标系,圆
的极坐标方程为
.
(1)求圆
和直线
的直角坐标方程;
(2)若
,点线
与
轴交于点
,与
轴交于点
,点
为圆
上一动点,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f174897358da5a7add98b4b1ca6480cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/152236216f8d1cb39b261108e8fc8b9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcdebedd02b4ea57f8562443742086d3.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4120436d6ff0c58109473edc068257c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
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